hard rock的用法和樣例：
例句
- "A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是個(gè)比喻的說(shuō)法，而"甜咖啡"則不是。 - If the rock is homogeneous, the large size fragmentation can generally be attained more easily.
如果是均質(zhì)巖石，一般可以比較容易地爆出大塊料石。
詞匯搭配
- between a rock and a hard place 左右為難; 進(jìn)退兩難...
- hard rock 硬石巖,硬巖,硬巖石...
- between the rock and hard place 左右為難
